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Thursday, September 9, 2010

Greenline Extension Field Testing

* Survey of drainage system inverts* within the Lowell Line Commuter Rail corridor

*Inverts are elevations of the interior bottom of the existing drain pipes measured at a drainage structure.

Boring Program: Weeks ending 9/10/10 and 9/17/10:

* Borings within the MBTA Lowell Commuter Rail Line right-of-way from Brookings Street in Medford to Broadway in Medford * Borings within the MBTA Lowell Commuter Rail Line right-of-way from Brookings Street in Medford to Lowell Street in Somerville